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Finding the Fourth Proportional to 444.02, 612.72 and 247.55

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Solution

The fourth proportional to 444.02, 612.72 and 247.55 is: 341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.02 : 612.72 = 247.55 : x
  2. Step 2: Convert to fraction form
    444.02/612.72 = 247.55/x
  3. Step 3: Cross multiply
    444.02x = 612.72 × 247.55
  4. Step 4: Simplify right side
    444.02x = 151,675.77
  5. Step 5: Solve for x
    x = 151,675.77/444.02
  6. Step 6: Final answer
    x = 341.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.